forked from mirrors/gecko-dev
151 lines
4 KiB
JavaScript
151 lines
4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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ClientID: "resource://gre/modules/ClientID.sys.mjs",
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ContextualIdentityService:
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"resource://gre/modules/ContextualIdentityService.sys.mjs",
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});
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const RECOMMENDATION_ENABLED = "browser.discovery.enabled";
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const TELEMETRY_ENABLED = "datareporting.healthreport.uploadEnabled";
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const TAAR_COOKIE_NAME = "taarId";
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export const Discovery = {
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set enabled(val) {
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val = !!val;
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if (val && !lazy.gTelemetryEnabled) {
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throw Error("unable to turn on recommendations");
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}
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Services.prefs.setBoolPref(RECOMMENDATION_ENABLED, val);
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},
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get enabled() {
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return lazy.gTelemetryEnabled && lazy.gRecommendationEnabled;
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},
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reset() {
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return DiscoveryInternal.update(true);
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},
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update() {
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return DiscoveryInternal.update();
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},
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};
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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"gRecommendationEnabled",
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RECOMMENDATION_ENABLED,
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false,
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Discovery.update
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);
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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"gTelemetryEnabled",
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TELEMETRY_ENABLED,
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false,
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Discovery.update
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);
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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"gCachedClientID",
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"toolkit.telemetry.cachedClientID",
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"",
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Discovery.reset
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);
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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"gContainersEnabled",
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"browser.discovery.containers.enabled",
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false,
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Discovery.reset
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);
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Services.obs.addObserver(Discovery.update, "contextual-identity-created");
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const DiscoveryInternal = {
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get sites() {
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delete this.sites;
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this.sites = Services.prefs
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.getCharPref("browser.discovery.sites", "")
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.split(",");
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return this.sites;
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},
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getContextualIDs() {
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// There is never a zero id, this is just for use in update.
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let IDs = [0];
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if (lazy.gContainersEnabled) {
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lazy.ContextualIdentityService.getPublicIdentities().forEach(identity => {
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IDs.push(identity.userContextId);
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});
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}
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return IDs;
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},
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async update(reset = false) {
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if (reset || !Discovery.enabled) {
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for (let site of this.sites) {
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Services.cookies.remove(site, TAAR_COOKIE_NAME, "/", {});
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lazy.ContextualIdentityService.getPublicIdentities().forEach(
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identity => {
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let { userContextId } = identity;
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Services.cookies.remove(site, TAAR_COOKIE_NAME, "/", {
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userContextId,
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});
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}
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);
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}
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}
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if (Discovery.enabled) {
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// If the client id is not cached, wait for the notification that it is
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// cached. This will happen shortly after startup in TelemetryController.sys.mjs.
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// When that happens, we'll get a pref notification for the cached id,
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// which will call update again.
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if (!lazy.gCachedClientID) {
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return;
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}
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let id = await lazy.ClientID.getClientIdHash();
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for (let site of this.sites) {
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// This cookie gets tied down as much as possible. Specifically,
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// SameSite, Secure, HttpOnly and non-PrivateBrowsing.
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for (let userContextId of this.getContextualIDs()) {
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let originAttributes = { privateBrowsingId: 0 };
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if (userContextId > 0) {
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originAttributes.userContextId = userContextId;
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}
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if (
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Services.cookies.cookieExists(
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site,
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"/",
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TAAR_COOKIE_NAME,
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originAttributes
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)
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) {
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continue;
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}
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Services.cookies.add(
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site,
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"/",
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TAAR_COOKIE_NAME,
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id,
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true, // secure
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true, // httpOnly
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true, // session
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Date.now(),
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originAttributes,
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Ci.nsICookie.SAMESITE_LAX,
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Ci.nsICookie.SCHEME_HTTPS
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);
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}
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}
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}
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},
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};
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